code: def test_fcntl_f_getpath(self):
      self.f = open(TESTFN, "wb")
      expected = os.path.abspath(TESTFN).encode("utf-8")
      res = fcntl.fcntl(
          self.f.fileno(), fcntl.F_GETPATH, bytes(len(expected))
      )
      self.assertEqual(expected, res)
  
imports: import multiprocessing
  import platform
  import os
  import struct
  import sys
  import unittest
  from test.support import verbose, cpython_only, get_pagesize
  from test.support.import_helper import import_module
  from test.support.os_helper import TESTFN, unlink
label_desc: Use image node_id 13 for calling the TestFcntl obj's underlying member method code with example usage: obj.test_fcntl_f_getpath() without return types